18954914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6577}}^1$

素因数の和:6721

約数の個数: 16

約数和(自身を含む): 31258656

約数和(自身を除く): 12303742

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6577, 13154, 72347, 144694, 861587, 1723174, 9477457, 18954914]

約数ペア:

[(1, 18954914), (2, 9477457), (11, 1723174), (22, 861587), (131, 144694), (262, 72347), (1441, 13154), (2882, 6577)]